/**
??*?wechat?php?test
??*/

//define?your?token
define（“TOKEN“?“weixin“）;
$wechatObj?=?new?wechatCallbackapiTest（）;
$wechatObj->valid（）;

class?wechatCallbackapiTest
{
	public?function?valid（）
????{
????????$echoStr?=?$_GET[“echostr“];

????????//valid?signature??option
????????if（$this->checkSignature（））{
????????	echo?$echoStr;
????????	exit;
????????}
????}

????public?function?responseMsg（）
????{
		//get?post?data?May?be?due?to?the?different?environments
		$postStr?=?$GLOBALS[“HTTP_RAW_POST_DATA“];

??????	//extract?post?data
		if?（!empty（$postStr））{
????????????????
??????????????	$postObj?=?simplexml_load_string（$postStr?‘SimplexmlElement‘?LIBxml_NOCDATA）;
????????????????$fromUsername?=?$postObj->FromUserName;
????????????????$toUsername?=?$postObj->ToUserName;
????????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????2027??2014-03-04?21:04??wx_sample.php